Barrier.h

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/*******************************************************************************
* Copyright 2015-2016 Juan Francisco Crespo Galán
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
 
#pragma once

 
#include "Audaspace.h"
 
#include <mutex>
#include <condition_variable>
 
AUD_NAMESPACE_BEGIN
class Barrier 
{
private:
    std::mutex m_mutex;

    std::condition_variable m_condition;
    
    unsigned int m_threshold;

    unsigned int m_count;

    unsigned int m_generation;
 
    // delete copy constructor and operator=
    Barrier(const Barrier&) = delete;
    Barrier& operator=(const Barrier&) = delete;
public:
    Barrier(unsigned int count);
    virtual ~Barrier();

    void wait();
};
AUD_NAMESPACE_END